HEADER VIRUS/IMMUNE SYSTEM 31-DEC-69 7CVZ TITLE Cryo-EM structure of Chikungunya virus in complex with Fab fragments TITLE 2 of mAb CHK-263 COMPND MOL_ID: 4; COMPND 2 MOLECULE: Fab heavy chain; COMPND 3 CHAIN: O, Q; EXPDTA ELECTRON MICROSCOPY DBREF 7CVZ O 1 216 PDB 7CVZ 7CVZ 1 216 SEQRES 1 O 100 ALA LYS THR THR ALA PRO SER VAL TYR PRO LEU ALA PRO SEQRES 2 O 100 VAL CYS GLY GLY THR THR GLY SER SER VAL THR LEU GLY SEQRES 3 O 100 CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR LEU SEQRES 4 O 100 THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS THR SEQRES 5 O 100 PHE PRO ALA LEU LEU GLN SER GLY LEU TYR THR LEU SER SEQRES 6 O 100 SER SER VAL THR VAL THR SER ASN THR TRP PRO SER GLN SEQRES 7 O 100 THR ILE THR CYS ASN VAL ALA HIS PRO ALA SER SER THR SEQRES 8 O 100 LYS VAL ASP LYS LYS ILE GLU SER ARG ATOM 1 CA ALA O 116 16.941 35.593 350.859 1.00 1.98 ATOM 2 CA LYS O 117 18.783 32.523 352.136 1.00 1.92 ATOM 3 CA THR O 118 18.446 28.727 352.254 1.00 1.86 ATOM 4 CA THR O 119 14.726 27.909 352.262 1.00 1.84 ATOM 5 CA ALA O 120 13.209 24.435 352.175 1.00 1.85 ATOM 6 CA PRO O 121 11.407 23.505 348.917 1.00 1.80 ATOM 7 CA SER O 122 7.776 22.961 349.898 1.00 1.91 ATOM 8 CA VAL O 123 6.242 20.253 347.707 1.00 1.83 ATOM 9 CA TYR O 124 2.579 20.864 346.836 1.00 1.86 ATOM 10 CA PRO O 125 0.834 17.912 345.137 1.00 1.88 ATOM 11 CA LEU O 126 -1.980 18.980 342.804 1.00 1.84 ATOM 12 CA ALA O 127 -4.899 16.548 342.799 1.00 1.87 ATOM 13 CA PRO O 128 -6.477 16.337 339.313 1.00 1.95 ATOM 14 CA VAL O 129 -10.207 16.022 338.659 1.00 2.05 ATOM 15 CA CYS O 130 -11.397 12.590 339.790 1.00 2.30 ATOM 16 CA GLY O 131 -15.016 12.427 338.641 1.00 2.28 ATOM 17 CA GLY O 132 -15.116 12.294 334.860 1.00 2.10 ATOM 18 CA THR O 133 -11.578 12.764 333.511 1.00 1.99 ATOM 19 CA THR O 134 -12.660 12.423 329.886 1.00 1.96 ATOM 20 CA GLY O 135 -9.714 11.573 327.647 1.00 1.88 ATOM 21 CA SER O 136 -7.391 8.810 326.470 1.00 1.94 ATOM 22 CA SER O 137 -4.510 10.542 328.293 1.00 1.97 ATOM 23 CA VAL O 138 -4.179 12.067 331.761 1.00 1.95 ATOM 24 CA THR O 139 -1.450 14.511 332.788 1.00 1.88 ATOM 25 CA LEU O 140 0.039 15.108 336.233 1.00 1.88 ATOM 26 CA GLY O 141 1.886 18.073 337.713 1.00 1.75 ATOM 27 CA CYS O 142 4.536 18.282 340.438 1.00 1.87 ATOM 28 CA LEU O 143 4.567 21.845 341.787 1.00 1.89 ATOM 29 CA VAL O 144 7.234 22.633 344.395 1.00 1.74 ATOM 30 CA LYS O 145 7.739 26.174 345.676 1.00 1.73 ATOM 31 CA GLY O 146 10.635 28.124 347.152 1.00 1.66 ATOM 32 CA TYR O 147 14.042 27.005 345.881 1.00 1.70 ATOM 33 CA PHE O 148 17.208 28.853 346.809 1.00 1.71 ATOM 34 CA PRO O 149 19.517 26.928 344.406 1.00 1.78 ATOM 35 CA GLU O 150 19.202 25.989 340.718 1.00 1.88 ATOM 36 CA PRO O 151 16.313 23.736 339.528 1.00 1.94 ATOM 37 CA VAL O 152 15.961 20.649 341.723 1.00 1.86 ATOM 38 CA THR O 153 17.099 17.120 340.827 1.00 1.75 ATOM 39 CA LEU O 154 13.587 16.293 339.643 1.00 1.75 ATOM 40 CA THR O 155 13.462 12.623 338.618 1.00 1.74 ATOM 41 CA TRP O 156 10.449 10.514 337.637 1.00 1.73 ATOM 42 CA ASN O 157 10.376 6.786 338.460 1.00 1.70 ATOM 43 CA SER O 158 13.813 6.967 340.115 1.00 1.64 ATOM 44 CA GLY O 159 15.266 8.654 337.042 1.00 1.66 ATOM 45 CA SER O 160 13.945 6.008 334.640 1.00 1.66 ATOM 46 CA LEU O 161 10.899 7.787 333.182 1.00 1.69 ATOM 47 CA SER O 162 12.150 10.594 330.935 1.00 1.77 ATOM 48 CA SER O 163 9.893 10.459 327.839 1.00 1.79 ATOM 49 CA GLY O 164 6.913 12.748 327.320 1.00 1.76 ATOM 50 CA VAL O 165 7.682 14.969 330.326 1.00 1.73 ATOM 51 CA HIS O 166 7.795 18.770 330.037 1.00 1.72 ATOM 52 CA THR O 167 10.128 20.325 332.594 1.00 1.77 ATOM 53 CA PHE O 168 9.939 24.092 332.944 1.00 1.81 ATOM 54 CA PRO O 169 12.586 26.732 333.724 1.00 1.72 ATOM 55 CA ALA O 170 12.648 28.226 337.201 1.00 1.57 ATOM 56 CA LEU O 171 10.981 31.607 337.702 1.00 1.58 ATOM 57 CA LEU O 172 11.584 34.368 340.268 1.00 1.65 ATOM 58 CA GLN O 173 9.316 34.917 343.278 1.00 1.78 ATOM 59 CA SER O 174 10.378 37.041 346.278 1.00 1.78 ATOM 60 CA GLY O 175 13.957 35.787 346.089 1.00 1.71 ATOM 61 CA LEU O 176 12.858 32.152 345.705 1.00 1.67 ATOM 62 CA TYR O 177 12.491 30.060 342.557 1.00 1.70 ATOM 63 CA THR O 178 9.152 28.614 341.432 1.00 1.65 ATOM 64 CA LEU O 179 9.205 25.644 339.053 1.00 1.75 ATOM 65 CA SER O 180 6.522 23.390 337.591 1.00 1.74 ATOM 66 CA SER O 181 6.647 20.053 335.788 1.00 1.72 ATOM 67 CA SER O 182 4.225 17.952 333.763 1.00 1.80 ATOM 68 CA VAL O 183 4.142 14.306 332.671 1.00 1.85 ATOM 69 CA THR O 184 2.144 12.975 329.712 1.00 1.81 ATOM 70 CA VAL O 185 1.016 9.338 329.863 1.00 1.85 ATOM 71 CA THR O 186 -1.513 7.219 327.985 1.00 1.81 ATOM 72 CA SER O 187 -4.637 5.267 329.037 1.00 1.83 ATOM 73 CA ASN O 188 -2.506 2.636 330.822 1.00 1.78 ATOM 74 CA THR O 189 -1.935 5.112 333.655 1.00 1.89 ATOM 75 CA TRP O 190 -5.078 5.052 335.834 1.00 2.04 ATOM 76 CA PRO O 191 -2.705 5.835 338.595 1.00 2.04 ATOM 77 CA SER O 192 -2.369 2.457 340.244 1.00 1.98 ATOM 78 CA GLN O 193 1.304 2.604 339.249 1.00 1.98 ATOM 79 CA THR O 194 3.480 4.354 341.823 1.00 1.92 ATOM 80 CA ILE O 195 4.922 7.600 340.456 1.00 1.81 ATOM 81 CA THR O 196 7.861 9.327 342.151 1.00 1.79 ATOM 82 CA CYS O 197 8.709 13.041 341.926 1.00 1.94 ATOM 83 CA ASN O 198 12.021 13.368 343.757 1.00 1.75 ATOM 84 CA VAL O 199 13.029 16.868 344.872 1.00 1.82 ATOM 85 CA ALA O 200 16.446 17.902 346.193 1.00 1.79 ATOM 86 CA HIS O 201 17.764 21.129 347.736 1.00 1.82 ATOM 87 CA PRO O 202 21.449 21.426 346.752 1.00 1.75 ATOM 88 CA ALA O 203 21.771 24.677 348.723 1.00 1.66 ATOM 89 CA SER O 204 21.471 22.545 351.875 1.00 1.90 ATOM 90 CA SER O 205 21.400 18.935 350.542 1.00 1.87 ATOM 91 CA THR O 206 17.770 18.628 351.706 1.00 1.91 ATOM 92 CA LYS O 207 16.242 15.851 349.592 1.00 1.89 ATOM 93 CA VAL O 208 12.445 15.689 349.940 1.00 1.82 ATOM 94 CA ASP O 209 10.243 13.179 348.109 1.00 1.75 ATOM 95 CA LYS O 210 6.460 13.422 347.801 1.00 1.70 ATOM 96 CA LYS O 211 4.148 11.210 345.763 1.00 1.74 ATOM 97 CA ILE O 212 1.423 13.163 343.952 1.00 1.89 ATOM 98 CA GLU O 213 -1.439 11.143 345.418 1.00 1.85 ATOM 99 CA SER O 214 -4.894 11.210 343.862 1.00 2.02 ATOM 100 CA ARG O 215 -8.031 11.611 345.965 1.00 2.09 TER